Nilai x adalah…………..​

Jawaban:

Nilai x

<ABD + <CBD = 180°

3x – 24° + x + 24° = 180°

4x = 180°

x = 180/4

x = 45°

Besar sudut BCD

<CBD = x + 24° = 45° + 25° = 70°

<BDC = 58°

<BCD = 180° – 70° – 58° = 52°